/* must write high and low 16 bits to reset counter */
itr_reg |= (itr_reg << 16);
} else if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
+ /*
+ * 82599 can support a value of zero, so allow it for
+ * max interrupt rate, but there is an errata where it can
+ * not be zero with RSC
+ */
+ if (itr_reg == 8 &&
+ !(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED))
+ itr_reg = 0;
+
/*
* set the WDIS bit to not clear the timer bits and cause an
* immediate assertion of the interrupt
hw->mac.ops.set_vfta(&adapter->hw, vid, pool_ndx, false);
}
+/**
+ * ixgbe_vlan_filter_disable - helper to disable hw vlan filtering
+ * @adapter: driver data
+ */
+static void ixgbe_vlan_filter_disable(struct ixgbe_adapter *adapter)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ u32 vlnctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
+ int i, j;
+
+ switch (hw->mac.type) {
+ case ixgbe_mac_82598EB:
+ vlnctrl &= ~(IXGBE_VLNCTRL_VME | IXGBE_VLNCTRL_VFE);
+ vlnctrl &= ~IXGBE_VLNCTRL_CFIEN;
+ IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl);
+ break;
+ case ixgbe_mac_82599EB:
+ vlnctrl &= ~IXGBE_VLNCTRL_VFE;
+ vlnctrl &= ~IXGBE_VLNCTRL_CFIEN;
+ IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl);
+ for (i = 0; i < adapter->num_rx_queues; i++) {
+ j = adapter->rx_ring[i]->reg_idx;
+ vlnctrl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(j));
+ vlnctrl &= ~IXGBE_RXDCTL_VME;
+ IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(j), vlnctrl);
+ }
+ break;
+ default:
+ break;
+ }
+}
+
+/**
+ * ixgbe_vlan_filter_enable - helper to enable hw vlan filtering
+ * @adapter: driver data
+ */
+static void ixgbe_vlan_filter_enable(struct ixgbe_adapter *adapter)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ u32 vlnctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
+ int i, j;
+
+ switch (hw->mac.type) {
+ case ixgbe_mac_82598EB:
+ vlnctrl |= IXGBE_VLNCTRL_VME | IXGBE_VLNCTRL_VFE;
+ vlnctrl &= ~IXGBE_VLNCTRL_CFIEN;
+ IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl);
+ break;
+ case ixgbe_mac_82599EB:
+ vlnctrl |= IXGBE_VLNCTRL_VFE;
+ vlnctrl &= ~IXGBE_VLNCTRL_CFIEN;
+ IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl);
+ for (i = 0; i < adapter->num_rx_queues; i++) {
+ j = adapter->rx_ring[i]->reg_idx;
+ vlnctrl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(j));
+ vlnctrl |= IXGBE_RXDCTL_VME;
+ IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(j), vlnctrl);
+ }
+ break;
+ default:
+ break;
+ }
+}
+
static void ixgbe_vlan_rx_register(struct net_device *netdev,
struct vlan_group *grp)
{
struct ixgbe_adapter *adapter = netdev_priv(netdev);
- u32 ctrl;
- int i, j;
if (!test_bit(__IXGBE_DOWN, &adapter->state))
ixgbe_irq_disable(adapter);
* still receive traffic from a DCB-enabled host even if we're
* not in DCB mode.
*/
- ctrl = IXGBE_READ_REG(&adapter->hw, IXGBE_VLNCTRL);
-
- /* Disable CFI check */
- ctrl &= ~IXGBE_VLNCTRL_CFIEN;
-
- /* enable VLAN tag stripping */
- if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
- ctrl |= IXGBE_VLNCTRL_VME;
- } else if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
- for (i = 0; i < adapter->num_rx_queues; i++) {
- u32 ctrl;
- j = adapter->rx_ring[i]->reg_idx;
- ctrl = IXGBE_READ_REG(&adapter->hw, IXGBE_RXDCTL(j));
- ctrl |= IXGBE_RXDCTL_VME;
- IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXDCTL(j), ctrl);
- }
- }
-
- IXGBE_WRITE_REG(&adapter->hw, IXGBE_VLNCTRL, ctrl);
+ ixgbe_vlan_filter_enable(adapter);
ixgbe_vlan_rx_add_vid(netdev, 0);
}
}
-static u8 *ixgbe_addr_list_itr(struct ixgbe_hw *hw, u8 **mc_addr_ptr, u32 *vmdq)
-{
- struct dev_mc_list *mc_ptr;
- u8 *addr = *mc_addr_ptr;
- *vmdq = 0;
-
- mc_ptr = container_of(addr, struct dev_mc_list, dmi_addr[0]);
- if (mc_ptr->next)
- *mc_addr_ptr = mc_ptr->next->dmi_addr;
- else
- *mc_addr_ptr = NULL;
-
- return addr;
-}
-
/**
* ixgbe_set_rx_mode - Unicast, Multicast and Promiscuous mode set
* @netdev: network interface device structure
{
struct ixgbe_adapter *adapter = netdev_priv(netdev);
struct ixgbe_hw *hw = &adapter->hw;
- u32 fctrl, vlnctrl;
- u8 *addr_list = NULL;
- int addr_count = 0;
+ u32 fctrl;
/* Check for Promiscuous and All Multicast modes */
fctrl = IXGBE_READ_REG(hw, IXGBE_FCTRL);
- vlnctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
if (netdev->flags & IFF_PROMISC) {
hw->addr_ctrl.user_set_promisc = 1;
fctrl |= (IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE);
- vlnctrl &= ~IXGBE_VLNCTRL_VFE;
+ /* don't hardware filter vlans in promisc mode */
+ ixgbe_vlan_filter_disable(adapter);
} else {
if (netdev->flags & IFF_ALLMULTI) {
fctrl |= IXGBE_FCTRL_MPE;
} else {
fctrl &= ~(IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE);
}
- vlnctrl |= IXGBE_VLNCTRL_VFE;
+ ixgbe_vlan_filter_enable(adapter);
hw->addr_ctrl.user_set_promisc = 0;
}
IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl);
- IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl);
/* reprogram secondary unicast list */
hw->mac.ops.update_uc_addr_list(hw, netdev);
/* reprogram multicast list */
- addr_count = netdev_mc_count(netdev);
- if (addr_count)
- addr_list = netdev->mc_list->dmi_addr;
- hw->mac.ops.update_mc_addr_list(hw, addr_list, addr_count,
- ixgbe_addr_list_itr);
+ hw->mac.ops.update_mc_addr_list(hw, netdev);
+
if (adapter->num_vfs)
ixgbe_restore_vf_multicasts(adapter);
}
static void ixgbe_configure_dcb(struct ixgbe_adapter *adapter)
{
struct ixgbe_hw *hw = &adapter->hw;
- u32 txdctl, vlnctrl;
+ u32 txdctl;
int i, j;
ixgbe_dcb_check_config(&adapter->dcb_cfg);
IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(j), txdctl);
}
/* Enable VLAN tag insert/strip */
- vlnctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
- if (hw->mac.type == ixgbe_mac_82598EB) {
- vlnctrl |= IXGBE_VLNCTRL_VME | IXGBE_VLNCTRL_VFE;
- vlnctrl &= ~IXGBE_VLNCTRL_CFIEN;
- IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl);
- } else if (hw->mac.type == ixgbe_mac_82599EB) {
- vlnctrl |= IXGBE_VLNCTRL_VFE;
- vlnctrl &= ~IXGBE_VLNCTRL_CFIEN;
- IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl);
- for (i = 0; i < adapter->num_rx_queues; i++) {
- j = adapter->rx_ring[i]->reg_idx;
- vlnctrl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(j));
- vlnctrl |= IXGBE_RXDCTL_VME;
- IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(j), vlnctrl);
- }
- }
+ ixgbe_vlan_filter_enable(adapter);
+
hw->mac.ops.set_vfta(&adapter->hw, 0, 0, true);
}
for (i = 0; i < adapter->num_tx_queues; i++) {
j = adapter->tx_ring[i]->reg_idx;
txdctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(j));
- /* enable WTHRESH=8 descriptors, to encourage burst writeback */
- txdctl |= (8 << 16);
+ if (adapter->rx_itr_setting == 0) {
+ /* cannot set wthresh when itr==0 */
+ txdctl &= ~0x007F0000;
+ } else {
+ /* enable WTHRESH=8 descriptors, to encourage burst writeback */
+ txdctl |= (8 << 16);
+ }
IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(j), txdctl);
}
else
ixgbe_configure_msi_and_legacy(adapter);
+ /* enable the optics */
+ if (hw->phy.multispeed_fiber)
+ hw->mac.ops.enable_tx_laser(hw);
+
clear_bit(__IXGBE_DOWN, &adapter->state);
ixgbe_napi_enable_all(adapter);
/* signal that we are down to the interrupt handler */
set_bit(__IXGBE_DOWN, &adapter->state);
+ /* power down the optics */
+ if (hw->phy.multispeed_fiber)
+ hw->mac.ops.disable_tx_laser(hw);
+
/* disable receive for all VFs and wait one second */
if (adapter->num_vfs) {
/* ping all the active vfs to let them know we are going down */
adapter->num_tx_queues = 1;
#ifdef CONFIG_IXGBE_DCB
if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
- DPRINTK(PROBE, INFO, "FCoE enabled with DCB \n");
+ DPRINTK(PROBE, INFO, "FCoE enabled with DCB\n");
ixgbe_set_dcb_queues(adapter);
}
#endif
if (adapter->flags & IXGBE_FLAG_RSS_ENABLED) {
- DPRINTK(PROBE, INFO, "FCoE enabled with RSS \n");
+ DPRINTK(PROBE, INFO, "FCoE enabled with RSS\n");
if ((adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE) ||
(adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE))
ixgbe_set_fdir_queues(adapter);
&(adapter->tx_ring[i]->reinit_state));
} else {
DPRINTK(PROBE, ERR, "failed to finish FDIR re-initialization, "
- "ignored adding FDIR ATR filters \n");
+ "ignored adding FDIR ATR filters\n");
}
/* Done FDIR Re-initialization, enable transmits */
netif_tx_start_all_queues(adapter->netdev);
goto err_eeprom;
}
+ /* power down the optics */
+ if (hw->phy.multispeed_fiber)
+ hw->mac.ops.disable_tx_laser(hw);
+
init_timer(&adapter->watchdog_timer);
adapter->watchdog_timer.function = &ixgbe_watchdog;
adapter->watchdog_timer.data = (unsigned long)adapter;
del_timer_sync(&adapter->sfp_timer);
cancel_work_sync(&adapter->watchdog_task);
cancel_work_sync(&adapter->sfp_task);
- if (adapter->hw.phy.multispeed_fiber) {
- struct ixgbe_hw *hw = &adapter->hw;
- /*
- * Restart clause 37 autoneg, disable and re-enable
- * the tx laser, to clear & alert the link partner
- * that it needs to restart autotry
- */
- hw->mac.autotry_restart = true;
- hw->mac.ops.flap_tx_laser(hw);
- }
cancel_work_sync(&adapter->multispeed_fiber_task);
cancel_work_sync(&adapter->sfp_config_module_task);
if (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE ||
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